19923319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 22730400

約数和(自身を除く): 2807081

約数列:

[1, 13, 29, 43, 377, 559, 1229, 1247, 15977, 16211, 35641, 52847, 463333, 687011, 1532563, 19923319]

約数ペア:

[(1, 19923319), (13, 1532563), (29, 687011), (43, 463333), (377, 52847), (559, 35641), (1229, 16211), (1247, 15977)]